|Lean ground beef||1 Pound|
|Chopped onion||2 Tablespoon|
|Pizza sauce||3⁄4 Cup (12 tbs)|
|Shredded mozzarella cheese||1 Cup (16 tbs)|
|Hamburger buns||8 , split|
Crumble ground beef into 1 1/2-quart glass casserole.
Add onion and cover with casserole lid.
Cook on HI (max. power) 4 minutes.
Stir to break up meat into small pieces.
Continue to cook on HI (max. power) 1 to 2 minutes more.
Drain off juices.
Stir in salt, pepper, cinnamon, and pizza sauce.
Cook, covered, on HI (max. power) 5 to 6 minutes, or until hot and bubbly.
Stir in 1/2 cup mozzarella.
Arrange 4 bottom halves of buns on microproof plate.
Spoon on half the meat mixture.
Sprinkle each with 1 tablespoon cheese.
Top with other half of buns.
Cook on HI (max. power) 1 to 1 1/2 minutes, or until cheese just starts to melt.
Repeat for remaining buns.